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Scaler and method of scaling a data signal

a data signal and scaler technology, applied in the field of scaler and method thereof, can solve the problems of reducing the stability of the system, affecting the display of the viewer, and reducing the available bus bandwidth

Inactive Publication Date: 2006-07-06
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention is about a scaler that can adjust the size of a received data signal. It includes an offset calculator that determines the initial relationship between two signals and a scaler core that performs a scaling process based on a designated sampling mode and the determined initial relationship. This invention allows for more efficient and accurate scaling of data signals.

Problems solved by technology

However, during the scaling-down process, signal loss (e.g., from connections and / or signal distortion due to insufficiency of available bus bandwidth) may occur, thereby degrading the viewer display.
During the scaling-down process, traffic of an entire system bus may be increased, and available bus bandwidth may be decreased, thereby reducing a stability of the system.

Method used

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  • Scaler and method of scaling a data signal
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  • Scaler and method of scaling a data signal

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Embodiment Construction

[0014] Detailed illustrative example embodiments of the present invention are disclosed herein. However, specific structural and functional details disclosed herein are merely representative for purposes of describing example embodiments of the present invention. Example embodiments of the present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

[0015] Accordingly, while example embodiments of the invention are susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It should be understood, however, that there is no intent to limit example embodiments of the invention to the particular forms disclosed, but conversely, example embodiments of the invention are to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. Like numbers m...

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Abstract

A scaler and method of scaling a data signal. In an example, the scaler may include an offset calculator receiving a data signal including a first signal (e.g., a chrominance signal) and a second signal (e.g., a luminance signal) and determining an initial offset relationship between the first signal and the second signal. The example scaler may further include a scaler core performing a scaling process on the received data signal based on a designated sampling mode and the determined initial offset relationship.

Description

PRIORITY STATEMENT [0001] This application claims priority to Korean Patent Application No. 2005-507 filed on Jan. 4, 2005 in the Korean Intellectual Property Office, the entire contents of which are hereby incorporated by reference. BACKGROUND OF THE INVENTION [0002] 1. Field of the Invention [0003] Example embodiments of the present invention relate generally to a scaler and method thereof, and more particularly to a scaler and method of scaling a data signal. [0004] 2. Description of the Related Art [0005] System-on-Chip (SOC) devices may be employed with higher bus bandwidth requirements. For example, in an SOC configured to perform a scaling-down process where a source image signal having a higher resolution is adjusted to an output image signal having a lower resolution, a plurality of buses may be employed for transferring the image signals. [0006] A Picture in Picture (PIP) technique may allow viewers to watch more than one television (TV) program or channel at the same time...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04N5/445H04N9/74
CPCG06T3/40H04N21/4316H04N5/45H04N7/01
Inventor LEE, DONG-HOONPARK, CHANG-DAE
Owner SAMSUNG ELECTRONICS CO LTD